Other mistake: At the end of the movie, Brooklyn uses a bazooka to blow up the club. If you look at the bazooka, you can see straight through it, there is no shell in it.
Continuity mistake: When Diamond walks out to the dance floor for the very first time, she walks past Ronnie. The next shot (with the guy putting money in the stripper's garter) Ronnie is suddenly in front of her.
Visible crew/equipment: At the beginning when Ronnie is walking Diamond out of the dressing room and on to the main floor, if you look in the mirror on the right side of the wall in the dressing room, you will see a reflection of a crew member's head right after Ronnie's reflection.